Software Alternatives, Accelerators & Startups

runc VS Kubernetes

Compare runc VS Kubernetes and see what are their differences

runc logo runc

CLI tool for spawning and running containers according to the OCI specification - opencontainers/runc

Kubernetes logo Kubernetes

Kubernetes is an open source orchestration system for Docker containers
  • runc Landing page
    Landing page //
    2023-08-21
  • Kubernetes Landing page
    Landing page //
    2023-07-24

runc features and specs

  • Standardization
    runc is part of the Open Containers Initiative (OCI), promoting standardization across container runtimes. This ensures interoperability and broad community support.
  • Lightweight
    As a lightweight and fast CLI tool, runc provides a minimal runtime for environments where resource efficiency is critical.
  • Security
    runc adheres to principles of secure software development and incorporates Linux kernel features like namespaces and cgroups to enhance security.
  • Broad Adoption
    As the reference implementation for OCI, runc is widely adopted and tested in production environments, ensuring reliability.
  • Flexibility
    runc offers the flexibility to handle low-level container configurations, making it suitable for advanced users needing granular control.

Possible disadvantages of runc

  • Complexity for Beginners
    The low-level nature of runc can be daunting for beginners who might prefer higher-level tools like Docker that abstract away complexities.
  • Minimalist Design
    While its simplicity is an advantage, runc lacks some of the advanced features and orchestration capabilities found in other container platforms.
  • Manual Configurations
    Users need to manually handle configurations, which can be error-prone and time-consuming compared to automated solutions.
  • Ecosystem Integration
    runc does not provide direct integration with tools and platforms by default, requiring additional setup for comprehensive ecosystem support.
  • Limited Features
    Compared to complete container platforms, runc offers fewer built-in features, requiring supplementary tools to achieve similar functionalities.

Kubernetes features and specs

  • Scalability
    Kubernetes excels in scaling applications horizontally by adding more containers to the deployment, ensuring that the application remains responsive even during high demand.
  • Portability
    Kubernetes supports a variety of environments including on-premises, hybrid, and public cloud infrastructures, offering flexibility and freedom from vendor lock-in.
  • High Availability
    Kubernetes ensures high availability through features like self-healing, automated rollouts and rollbacks, and various controller mechanisms to keep applications running reliably.
  • Extensibility
    Kubernetes has a modular architecture with a rich ecosystem of plugins, third-party tools, and extensions that allow customization and integration with various services.
  • Resource Efficiency
    Efficiently manages resources with features like autoscaling and resource quotas, helping to optimize usage and reduce costs.
  • Community and Support
    Kubernetes has a large, active community and strong industry support, which means abundant resources, tutorials, and third-party integrations are available.

Possible disadvantages of Kubernetes

  • Complexity
    The learning curve associated with Kubernetes is steep due to its numerous components, configurations, and operational paradigms.
  • Resource Intensive
    Running a Kubernetes cluster can be resource-intensive, often requiring significant CPU, memory, and storage resources, which can be costly.
  • Operational Challenges
    Managing a Kubernetes cluster requires expertise in areas such as networking, security, and cluster lifecycle management, making it challenging for smaller teams or organizations.
  • Debugging and Troubleshooting
    Pinpointing issues within a Kubernetes cluster can be difficult due to its distributed and dynamic nature, which can complicate debugging and troubleshooting processes.
  • Configuration Overhead
    Kubernetes involves numerous configurations and settings, which can be overwhelming and error-prone, especially during initial setup and deployment.
  • Security Management
    While Kubernetes provides various security features, managing those securely requires in-depth knowledge and diligence, as misconfigurations can lead to vulnerabilities.

runc videos

2/21/19 RunC Vulnerability Gives Root Access on Container Systems| AT&T ThreatTraq

More videos:

  • Review - Demo MONEY,TIME - RunC

Kubernetes videos

Kubernetes in 5 mins

More videos:

  • Review - Kubernetes Documentation
  • Review - Module 1: Istio - Kubernetes - Getting Started - Installation and Sample Application Review
  • Review - Deploying WordPress on Kubernetes, Step-by-Step

Category Popularity

0-100% (relative to runc and Kubernetes)
Web Servers
100 100%
0% 0
Developer Tools
4 4%
96% 96
Web And Application Servers
DevOps Tools
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare runc and Kubernetes

runc Reviews

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Kubernetes Reviews

The Top 7 Kubernetes Alternatives for Container Orchestration
Rancher RKE is an interface to the command line for Rancher Kubernetes Engine (RKE) and OpenShift. Both are software tools employed to deploy Kubernetes, an open source project that manages containers on several hosts.
Kubernetes Alternatives 2023: Top 8 Container Orchestration Tools
Azure Kubernetes Service is a container orchestration platform that offers secure serverless Kubernetes. AKS helps to manage Kubernetes clusters and makes deploying containerized applications so much easier. In addition to that, it provides automatic configuration of all Kubernetes nodes and master.
Top 12 Kubernetes Alternatives to Choose From in 2023
Google Kubernetes Engine (GKE) is a prominent choice for a Kubernetes alternative. It is provided and managed by Google Cloud, which offers fully managed Kubernetes services.
Source: humalect.com
Docker Swarm vs Kubernetes: how to choose a container orchestration tool
In this article, we explored the two primary orchestrators of the container world, Kubernetes and Docker Swarm. Docker Swarm is a lightweight, easy-to-use orchestration tool with limited offerings compared to Kubernetes. In contrast, Kubernetes is complex but powerful and provides self-healing, auto-scaling capabilities out of the box. K3s, a lightweight form of Kubernetes...
Source: circleci.com
Docker Alternatives
An open-source code, Rancher is another one among the list of Docker alternatives that is built to provide organizations with everything they need. This software combines the environments required to adopt and run containers in production. A rancher is built on Kubernetes. This tool helps the DevOps team by making it easier to testing, deploying and managing the...
Source: www.educba.com

Social recommendations and mentions

Based on our record, Kubernetes seems to be a lot more popular than runc. While we know about 357 links to Kubernetes, we've tracked only 11 mentions of runc. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

runc mentions (11)

  • Setup multi node kubernetes cluster using kubeadm
    For kubeadm , kubetlet , kubectl should same version package in this lab I used v1.31 to have 1.31.7 References: Https://kubernetes.io/docs/reference/networking/ports-and-protocols/ Https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/ Https://github.com/opencontainers/runc/releases/... - Source: dev.to / about 2 months ago
  • Comparing 3 Docker container runtimes - Runc, gVisor and Kata Containers
    Previously I wrote about the multiple variants of Docker and also the dependencies behind the Docker daemon. One of the dependencies was the container runtime called runc. That is what creates the usual containers we are all familiar with. When you use Docker, this is the default runtime, which is understandable since it was started by Docker, Inc. - Source: dev.to / 6 months ago
  • You run containers, not dockers - Discussing Docker variants, components and versioning
    Now we have dockerd which uses containerd, but containerd will not create containers directly. It needs a runtime and the default runtime is runc, but that can be changed. Containerd actually doesn't have to know the parameters of the runtime. There is a shim process between containerd and runc, so containerd knows the parameters of the shim, and the shim knows the parameters of runc or other runtimes. - Source: dev.to / 6 months ago
  • US Cybersecurity: The Urgent Need for Memory Safety in Software Products
    It's interesting that, in light of things like this, you still see large software companies adding support for new components written in non-memory safe languages (e.g. C) As an example Red Hat OpenShift added support for crun(https://github.com/containers/crun), which is written in C as an alternative to runc, which is written in Go( - Source: Hacker News / over 1 year ago
  • Why did the Krustlet project die?
    Yeah, runtimeClass lets you specify which CRI plugin you want based on what you have available. Here's an example from the containerd documentation - you could have one node that can run containers under standard runc, gvisor, kata containers, or WASM. Without runtimeClass, you'd need either some form of custom solution or four differently configured nodes to run those different runtimes. That's how krustlet did... Source: over 2 years ago
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Kubernetes mentions (357)

  • A Guide to Setting up Service Discovery for APIs
    Kubernetes isn't just for container orchestration—it packs a powerful built-in service discovery system that's changing how developers think about service connectivity. It uses DNS under the hood, along with environment variables, to help services find each other. - Source: dev.to / 5 days ago
  • Kubernetes 1.33: A Deep Dive into the Exciting New Features of Octarine
    For a comprehensive overview, explore the Kubernetes 1.33 release notes and GitHub changelog. Engage with the community at events like KubeCon or join the Kubernetes Slack to collaborate on the future of cloud-native computing. With Octarine, Kubernetes continues to shine as the backbone of modern infrastructure. - Source: dev.to / 7 days ago
  • A Detailed Comparison between Kubernetes Operators and Controllers
    Imagine trying to keep a fleet of ships sailing smoothly across the ocean. You need to ensure each ship has enough crew, fuel, and cargo, and that they're all heading in the right direction. This is a complex task, requiring constant monitoring and adjustments. In the world of Kubernetes, Controllers and Operators play a similar role, ensuring your applications run smoothly and efficiently. This blog post delves... - Source: dev.to / 16 days ago
  • Kubernetes: Migrating from Ingress to Gateway API
    Kubernetes has become the de facto standard for container orchestration. With the rise of microservices and cloud-native applications, managing network traffic within a Kubernetes cluster has become increasingly critical. The Ingress API has been the traditional solution for managing external access to services in Kubernetes. However, with the evolution of Kubernetes and the need for more advanced traffic... - Source: dev.to / 16 days ago
  • A Beginner's Journey: Deploying Applications on Amazon EKS
    Kubernetes is an innovative open-source platform designed for container orchestration. It automates critical processes such as deploying, scaling, and managing containerised applications. Originally developed by Google, Kubernetes is now watched by the Cloud Native Computing Foundation. In essence, Kubernetes serves as a powerful framework for managing your applications, enabling seamless deployment and... - Source: dev.to / 17 days ago
View more

What are some alternatives?

When comparing runc and Kubernetes, you can also consider the following products

Docker Hub - Docker Hub is a cloud-based registry service

Rancher - Open Source Platform for Running a Private Container Service

Apache Thrift - An interface definition language and communication protocol for creating cross-language services.

Docker - Docker is an open platform that enables developers and system administrators to create distributed applications.

Eureka - Eureka is a contact center and enterprise performance through speech analytics that immediately reveals insights from automated analysis of communications including calls, chat, email, texts, social media, surveys and more.

Helm.sh - The Kubernetes Package Manager